Loading and unloading device.



J. JOHNSON.

LOADING AND DNLOADING DEVICE.

APPLICATION FILED 0GT.22, 1913.

f Patented July 14, 1914.

@Home/13 JOHN JOHNSON, OF ST'ILES, WISCONSIN.

LOADING AND UNLOAIDING DEVICE.

Application filed Getober 22, 1913.

Specification of Letters Patent.

Patented July 11, 1914.

Serial No. 796,695.

To all whom "it may concern Be it known that I, JOHN JOHNSON, citi- Zen of the United States, residing at Stiles, in the county of @conto and State of Wisconsin, have-invented certain new and useful Improvements in Loading and Unloading` Bevices, of which the following is a specification, reference being had to the accompanying drawings.

T his invention relates to loading and unloading apparatus and has for its primary object to provide a simple, efiicient and reliable means for loading hay, fodder or other materials into a barn or conveying the same to the exterior of the barn and loading it upon a wagon or other vehicle.

lily invention has for another and more specific object the provision of a double pulley, the pulley members being of relatively different diameters, a rope yor cable fixed at one of its ends to Lthe larger pulley and provided at its other end with a fork or carrier, supporting rollers for said cable, and a weighted cable fastened at one end to the smaller pulley.

My invention has for another of its objects to produce `a device of the above character which is extremely simple in construction, highly eflicient and reliable in practical use and may be manufactured and installed at comparatively small cost.

With the above and other objects in view as will become apparent as the description proceeds, the invention consists in certain constructions, combinations and arrangements of the parts that I shall hereinafter fully describe and claim.

For a full understanding of the invention, reference is to be had to the following description and accompanying drawings, in which- Figure 1 is a side elevation of my improved loading and unloading device arranged in a barn, the fork or carrier being shown pulled back from the barn entrance in dotted lines; Fig. 2 is a similar view but illustrating the trip device arranged centrally of the barn and above the entrance thereto, the fork or carrier being adapted to be pulled in either direction from the trip as shown in dotted lines; Fig. 3 is a section taken on the line 3 3 of Fig. 1. Fig. 4 is an enlarged detail view of the hay fork or carrier.

Referring in detail to the drawings, 5 designates a pulley of large diameter and 6 indicates a pulley of comparatively small diameter whichis rigidly secured upon'one side of the larger pulley by means of a plurality of bolts 7. In the peripheral groove ofthe large pulley, 5 one end of a wire, rope or cable 8 is secured. This cable extends over and is supported by a plurality of rollers 9 mounted in any preferred manner upon a beam or other part ofthe barn structure. the fork or carrier 10 is attached.

A suitabletrip device generally indicated by thenumeral 11 is arranged at the entrance to the barn and is adapted to coperate with certain parts of the fork or carrier 10 to release the bundle of hay, fodder or other material carried thereby. In Fig. a of the drawings, I have illustrated a very common form of fork or carrier, wherein 16 indicates the arms of the fork in the extremities of which the grap-ple members 17 are pivo-tally mounted intermediate of their ends. Adjacent the-inner ends of the fork arms 16, bars 18 are fulcrumed adjacent their outer ends as indicated at 19, the inner ends of said bars having a slidingpivotal connection with the vertically disposed rod 20. The corresponding ends of the grapple members 17 and the. bars 18 are connected by linl rods 21. From this construction, it

`will be apparent that when the grapple members 17 are in the position shown `in Fig. 4, the'ihay bundle will be securely held between the arms of they fork. These members are released from engagement with the bundle by contact of the vertically disposed rod 2O with the trip element 11 above referred to, it being understood that said rod is forced downwardly to move thebars 18 and through the medium of the links 21 thus ,throw the inwardly extending ends of the grapple members 17 outwardly. It will be understood, however, that the present invention is not limited to this specific type of grapple and trip therefor, as various other equivale-nt devices for holding and releasing the hay bale may be employed. A pull rope 12 is also attached atone of its ends to the carrier 10, whereby said carrier may be pulled into the barn when the same has been supplied with its load. To the periphery of the smaller pulley 6, one end of a wire, rope or cable 13 is attached. This cable also extends over a suitable guide roller 14 and is provided upon its other end with a weight 15.

To the other end of the cable 8,

vcensequently the smaller pulley 6, Upon this latter pulley, the cable 13 is wound, thereby raising the weight, 15. After the fork or carrier has been suppliedwith a load or bundle of fodder, the loperatorl re- 1 leases the rope 12 sothat the weight 15 will descend, thereby rotating the pulley 5 and e winding the cable S thereon whereupon the carrier 10 will be moved outwardly to the ,barn entrance and into engagement with the trip 11; By means of' this tripv the bundle is `aAutomatically released from the carrier 4 so that it will drop into a vehicle arranged beneath the same.

f the cable attached to the small pulley 6 l i normally holds theV forli `or carrier 'above' y In Fig. ai have Shown a Sughuyaifrer; ent n method of mounting the apparatus, wherein the tripdevicel is arranged above nthezdoor ooening provided in thevside wallv oga`-1ong arn or warehouse.- The double pulley isfmounted 1n one end of thebarn lll as shown in full lines,vthe weight on ythe barn entrance. The operator may pull l of thev barn entrance as occasion'may vdethecarrier by means of the rope connected thereto to either the right or left hand side mand to remove the bundles or/bales stored Aiftherein, In either instance, the descent of the. weigh-t 15 will act to -Wind the cable 8 upon the pulley 5 and return the carrier to its normal position for engagement by the *"{trip device whereupon the bundle will be re- From Jtheforegoing, it is thought that the i construction and manner of operation lof l invention Willbe clearly and fully unl derstood'.A The weight acts to immediately return` the bundle to its normal position, when the'pull cord is released, and it will be obvious that by means-ofthe apparatus,

the loading or unloading of materials mayv be greatly facilitated. Owing to the extreme simplicity of my invention, it will be obvious that the `same may be produced at very small cost and readily installed in the barn or warehouse.

`Vhile .l have shown and described the preferred form and arrangements of theV severalparts of the device, it will be obvious that the invention is susceptible of lmany reserve the right to resort to all such legitimate changes as may fairly fall within'the spirit and scope ol the invention, as `claimed,

l Having thus described the invention, what is claimed is: I Y f e In an apparatus of the character described, a rotatably mounted pulley, a second pulley of relatively smaller diameterlined upon one side of said rst pulley, -a

cable secured* at one end tov the periphery of the first pulley, a carrier attached to the other end of said cable7 vsupporting rollers for said'cable, a second cab-lesecured at one (pulley, Aa guide roller for .said latter cable, ar weight securedtothe `other end ofsaid cable, saidcable extending to the smaller pulley from an opposite direction with rela- ;ton to the connection of the carrier cablev 5to the ,rst named pulley, and a pull cord attached to the carrier whereby the carrier l, the pulleys rotated to wind the latter cable lupon lthe smaller pulley and ,elevate the y weight reversing the rotation of the pulleys I and winding the first cable upon thelarger v pulley when the pull cord isrele'asedtoreturn the carrier to its normal position.v y

In testimony whereof I hereunto atx my signature in the presence of two witnesses.

JOHN JOHNSON.kk l yWitnesses: l Jos. BIRKENMEIER,

ARTHUR A. Foss,

Gpiel f tlll patentmay1 he obtained for ave ents each, by addressing the commissioner pz' Patents, Washington', D.`G. 1

minor. modifications therein and I therefore 1 of its Aends to the periphery ofthe smaller maybe moved to position tobe loaded` and i weightv attached thereto, the descent of said 

